EP2560465A4 - Preheating circuit applied to fluorescent lamp electronic ballast - Google Patents

Preheating circuit applied to fluorescent lamp electronic ballast

Info

Publication number
EP2560465A4
EP2560465A4 EP11864139.8A EP11864139A EP2560465A4 EP 2560465 A4 EP2560465 A4 EP 2560465A4 EP 11864139 A EP11864139 A EP 11864139A EP 2560465 A4 EP2560465 A4 EP 2560465A4
Authority
EP
European Patent Office
Prior art keywords
fluorescent lamp
electronic ballast
circuit applied
preheating circuit
lamp electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11864139.8A
Other languages
German (de)
French (fr)
Other versions
EP2560465A1 (en
Inventor
Ma Luo
Shunfa Zhang
Zhengguo Zhou
Chao Gao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUJIANG HUANENG ELECTRONIC CO Ltd
Original Assignee
WUJIANG HUANENG ELECTRONIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUJIANG HUANENG ELECTRONIC CO Ltd filed Critical WUJIANG HUANENG ELECTRONIC CO Ltd
Publication of EP2560465A1 publication Critical patent/EP2560465A1/en
Publication of EP2560465A4 publication Critical patent/EP2560465A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
EP11864139.8A 2011-04-29 2011-12-06 Preheating circuit applied to fluorescent lamp electronic ballast Withdrawn EP2560465A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201120133859 2011-04-29
PCT/CN2011/083497 WO2012146029A1 (en) 2011-04-29 2011-12-06 Preheating circuit applied to fluorescent lamp electronic ballast

Publications (2)

Publication Number Publication Date
EP2560465A1 EP2560465A1 (en) 2013-02-20
EP2560465A4 true EP2560465A4 (en) 2015-04-08

Family

ID=44491671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11864139.8A Withdrawn EP2560465A4 (en) 2011-04-29 2011-12-06 Preheating circuit applied to fluorescent lamp electronic ballast

Country Status (3)

Country Link
EP (1) EP2560465A4 (en)
CN (2) CN202095164U (en)
WO (1) WO2012146029A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202095164U (en) * 2011-04-29 2011-12-28 吴江华能电子有限公司 Preheating circuit applied to electronic ballast of fluorescent lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5877592A (en) * 1996-11-01 1999-03-02 Magnetek, Inc. Programmed-start parallel-resonant electronic ballast
US5959408A (en) * 1997-08-07 1999-09-28 Magnetek, Inc. Symmetry control circuit for pre-heating in electronic ballasts
EP1657968A2 (en) * 2004-11-12 2006-05-17 General Electronic Company Parallel lamps with instant program start electronic ballast
US20060250094A1 (en) * 2005-05-06 2006-11-09 Chenyang Liu Electronic ballast

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406976A (en) * 1981-03-30 1983-09-27 501 Advance Transformer Company Discharge lamp ballast circuit
CN2081628U (en) * 1991-01-16 1991-07-24 高建勋 Energy-saving electronic ballast of fluorescent lamp
US6437520B1 (en) * 2000-07-11 2002-08-20 Energy Savings, Inc. Electronic ballast with cross-coupled outputs
CN201435866Y (en) * 2009-06-24 2010-03-31 深圳市垅运照明电器有限公司 Lamp filament preheating circuit of electronic ballast
CN201541380U (en) * 2009-10-19 2010-08-04 上虞舜宇照明工程有限公司 Filament preheating and rectifying device
CN201742635U (en) * 2010-08-06 2011-02-09 合肥美亚光电技术有限责任公司 Electronic ballast with frequency conversion pre-heating function used for fluorescent lamps
CN201813600U (en) * 2010-08-31 2011-04-27 吴江华能电子有限公司 Self-excited type electronic ballast having high output open-circuit voltage
CN202095164U (en) * 2011-04-29 2011-12-28 吴江华能电子有限公司 Preheating circuit applied to electronic ballast of fluorescent lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5877592A (en) * 1996-11-01 1999-03-02 Magnetek, Inc. Programmed-start parallel-resonant electronic ballast
US5959408A (en) * 1997-08-07 1999-09-28 Magnetek, Inc. Symmetry control circuit for pre-heating in electronic ballasts
EP1657968A2 (en) * 2004-11-12 2006-05-17 General Electronic Company Parallel lamps with instant program start electronic ballast
US20060250094A1 (en) * 2005-05-06 2006-11-09 Chenyang Liu Electronic ballast

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012146029A1 *

Also Published As

Publication number Publication date
WO2012146029A1 (en) 2012-11-01
CN102170739A (en) 2011-08-31
CN102170739B (en) 2013-05-15
EP2560465A1 (en) 2013-02-20
CN202095164U (en) 2011-12-28

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20121116

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 41/295 20060101AFI20150202BHEP

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150305

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 41/295 20060101AFI20150227BHEP

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20151006